Description
Allen-Bradley 1756-OB8: Compact 8-Point DC Output Module
Meet the reliable 1756-OB8, a versatile DC output module for ControlLogix. This compact module provides 8 output points for your control needs. It delivers solid performance with simple setup. Ideal for basic output applications.
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Technical Specifications
Brand & Model: Allen-Bradley 1756-OB8
Type: 8-Point DC Output Module
Output Points: 8 points (2 groups of 4)
Voltage Range: 10-30V DC (24V DC nominal)
Current per Point: 2.0A @ 60°C
Total Module Current: 8.0A @ 60°C
Response Time (ON): 1ms maximum
Response Time (OFF): 2ms maximum
Backplane Power: 5.1V @ 165mA
Power Dissipation: 2.5 Watts maximum
Voltage Drop: 1.2V DC @ 2A
Isolation Rating: 250V continuous
Terminal Blocks: 1756-TBNH or 1756-TBSH
Expert FAQs
Q: How many output groups does the 1756-OB8 have?
A: It has two groups with four outputs in each group.
Q: What is the maximum surge current?
A: Each point can handle 4A surge for 10ms, repeatable every second.
Q: Can I use this module in remote systems?
A: Yes, it works in both local and distributed I/O systems.
Q: What communication formats are available?
A: It supports rack optimization, output data, and scheduled output data formats.
Q: What is the minimum load current?
A: The minimum load current is 2mA per point.
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